Desk lamp



FIG. 1 is a front, right, bottom perspective view of a desk lamp, showing my new design;

FIG. 2 is a front, left, top perspective view thereof;

FIG. 3 is a perspective view thereof, shown in a used condition;

FIG. 4 is another perspective view thereof, shown in a used condition;

FIG. 5 is a front view of a desk lamp shown in FIG. 2 ;

FIG. 6 is a rear view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a top plan view thereof; and,

FIG. 10 is a bottom plan view thereof. 

CLAIM The ornamental design for a desk lamp, as shown and described. 